public async Task SuccessAsync()
{
WabiSabiConfig cfg = new();
var round = WabiSabiFactory.CreateRound(cfg);
using Key key = new();
Alice alice = WabiSabiFactory.CreateAlice(key: key);
round.Alices.Add(alice);
var coinjoin = round.Coinjoin;
coinjoin.Inputs.Add(alice.Coins.First().Outpoint);
round.SetPhase(Phase.TransactionSigning);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, round);
var signedCoinJoin = coinjoin.Clone();
signedCoinJoin.Sign(key.GetBitcoinSecret(Network.Main), alice.Coins.First());
var req = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair(0, signedCoinJoin.Inputs[0].WitScript) });
await using ArenaRequestHandler handler = new(cfg, new Prison(), arena, new MockRpcClient());
await handler.SignTransactionAsync(req);
Assert.True(round.Coinjoin.Inputs.First().HasWitScript());
await arena.StopAsync(CancellationToken.None);
}
public async Task WrongCoinjoinSignatureAsync()
{
WabiSabiConfig cfg = new();
var round = WabiSabiFactory.CreateRound(cfg);
using Key key1 = new();
Alice alice1 = WabiSabiFactory.CreateAlice(key: key1);
using Key key2 = new();
Alice alice2 = WabiSabiFactory.CreateAlice(key: key2);
round.Alices.Add(alice1);
round.Alices.Add(alice2);
var coinjoin = round.Coinjoin;
coinjoin.Inputs.Add(alice1.Coins.First().Outpoint);
coinjoin.Inputs.Add(alice2.Coins.First().Outpoint);
round.SetPhase(Phase.TransactionSigning);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, round);
// Submit the signature for the second alice to the first alice's input.
var signedCoinJoin = coinjoin.Clone();
signedCoinJoin.Sign(key2.GetBitcoinSecret(Network.Main), alice2.Coins.First());
var req = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair(0, signedCoinJoin.Inputs[0].WitScript) });
await using ArenaRequestHandler handler = new(cfg, new Prison(), arena, new MockRpcClient());
var ex = await Assert.ThrowsAsync <WabiSabiProtocolException>(async() => await handler.SignTransactionAsync(req));
Assert.Equal(WabiSabiProtocolErrorCode.WrongCoinjoinSignature, ex.ErrorCode);
await arena.StopAsync(CancellationToken.None);
}
public async Task WrongPhaseAsync()
{
WabiSabiConfig cfg = new();
using Arena arena = await ArenaBuilder.From(cfg).CreateAndStartAsync();
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = arena.Rounds.First();
var req = new TransactionSignaturesRequest(round.Id, 0, WitScript.Empty);
foreach (Phase phase in Enum.GetValues(typeof(Phase)))
{
if (phase != Phase.TransactionSigning)
{
round.SetPhase(phase);
var ex = await Assert.ThrowsAsync <WrongPhaseException>(async() =>
await arena.SignTransactionAsync(req, CancellationToken.None));
Assert.Equal(WabiSabiProtocolErrorCode.WrongPhase, ex.ErrorCode);
}
}
await arena.StopAsync(CancellationToken.None);
}
public async Task RoundNotFoundAsync()
{
using Arena arena = await ArenaBuilder.Default.CreateAndStartAsync();
var req = new TransactionSignaturesRequest(uint256.Zero, 0, WitScript.Empty);
var ex = await Assert.ThrowsAsync <WabiSabiProtocolException>(async() => await arena.SignTransactionAsync(req, CancellationToken.None));
Assert.Equal(WabiSabiProtocolErrorCode.RoundNotFound, ex.ErrorCode);
await arena.StopAsync(CancellationToken.None);
}
public async Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellationToken)
{
using (await AsyncLock.LockAsync(cancellationToken).ConfigureAwait(false))
{
var round = GetRound(request.RoundId, Phase.TransactionSigning);
var state = round.Assert <SigningState>().AddWitness((int)request.InputIndex, request.Witness);
// at this point all of the witnesses have been verified and the state can be updated
round.CoinjoinState = state;
}
}
public async Task SuccessAsync()
{
WabiSabiConfig cfg = new();
var round = WabiSabiFactory.CreateRound(cfg);
using Key key = new();
Alice alice = WabiSabiFactory.CreateAlice(key: key, round: round);
round.Alices.Add(alice);
round.CoinjoinState = round.AddInput(alice.Coin).Finalize();
round.SetPhase(Phase.TransactionSigning);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, round);
var aliceSignedCoinJoin = round.Assert <SigningState>().CreateUnsignedTransaction();
aliceSignedCoinJoin.Sign(key.GetBitcoinSecret(Network.Main), alice.Coin);
var req = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair(0, aliceSignedCoinJoin.Inputs[0].WitScript) });
await arena.SignTransactionAsync(req, CancellationToken.None);
Assert.True(round.Assert <SigningState>().IsFullySigned);
await arena.StopAsync(CancellationToken.None);
}
public async Task TimeoutSufficientPeersAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 1,
TransactionSigningTimeout = TimeSpan.Zero,
OutputRegistrationTimeout = TimeSpan.Zero
};
var mockRpc = new MockRpcClient();
mockRpc.OnSendRawTransactionAsync = _ => throw new RPCException(RPCErrorCode.RPC_TRANSACTION_REJECTED, "", null);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, mockRpc);
// Create the round.
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = Assert.Single(arena.Rounds).Value;
// Register Alices.
using Key key1 = new();
using Key key2 = new();
var irreq1 = WabiSabiFactory.CreateInputsRegistrationRequest(key1, round);
var irres1 = await arena.RegisterInputAsync(
irreq1.RoundId,
irreq1.InputRoundSignaturePairs.ToDictionary(x => new Coin(x.Input, new TxOut(Money.Coins(1), key1.PubKey.GetSegwitAddress(Network.Main))), x => x.RoundSignature),
irreq1.ZeroAmountCredentialRequests,
irreq1.ZeroWeightCredentialRequests);
var irreq2 = WabiSabiFactory.CreateInputsRegistrationRequest(key2, round);
var irres2 = await arena.RegisterInputAsync(
irreq2.RoundId,
irreq2.InputRoundSignaturePairs.ToDictionary(x => new Coin(x.Input, new TxOut(Money.Coins(1), key2.PubKey.GetSegwitAddress(Network.Main))), x => x.RoundSignature),
irreq2.ZeroAmountCredentialRequests,
irreq2.ZeroWeightCredentialRequests);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
var alice1 = round.Alices.Single(x => x.Id == irres1.AliceId);
var alice2 = round.Alices.Single(x => x.Id == irres2.AliceId);
// Confirm connections.
var ccresps = new List <(ConnectionConfirmationResponse resp, WabiSabiClient amountClient, WabiSabiClient weightClient, Guid aliceId)>();
var ccreq1 = WabiSabiFactory.CreateConnectionConfirmationRequest(round, irres1);
var ccresp1 = await arena.ConfirmConnectionAsync(ccreq1.request);
ccresps.Add((ccresp1, ccreq1.amountClient, ccreq1.weightClient, irres2.AliceId));
ccreq1.amountClient.HandleResponse(ccresp1.RealAmountCredentials !, ccreq1.amountValidation);
ccreq1.weightClient.HandleResponse(ccresp1.RealWeightCredentials !, ccreq1.weightValidation);
var ccreq2 = WabiSabiFactory.CreateConnectionConfirmationRequest(round, irres2);
var ccresp2 = await arena.ConfirmConnectionAsync(ccreq2.request);
ccresps.Add((ccresp2, ccreq2.amountClient, ccreq2.weightClient, irres1.AliceId));
ccreq2.amountClient.HandleResponse(ccresp2.RealAmountCredentials !, ccreq2.amountValidation);
ccreq2.weightClient.HandleResponse(ccresp2.RealWeightCredentials !, ccreq2.weightValidation);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.OutputRegistration, round.Phase);
// Register outputs.
foreach (var orreq in WabiSabiFactory.CreateOutputRegistrationRequests(round, ccresps))
{
var orresp = await arena.RegisterOutputAsync(orreq);
}
// Make sure not all alices signed.
var alice3 = WabiSabiFactory.CreateAlice();
alice3.ConfirmedConnection = true;
round.Alices.Add(alice3);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var signedCoinJoin = round.Coinjoin.Clone();
var coin1 = alice1.Coins.First();
var coin2 = alice2.Coins.First();
var idx1 = signedCoinJoin.Inputs.IndexOf(signedCoinJoin.Inputs.Single(x => x.PrevOut == coin1.Outpoint));
var idx2 = signedCoinJoin.Inputs.IndexOf(signedCoinJoin.Inputs.Single(x => x.PrevOut == coin2.Outpoint));
signedCoinJoin.Sign(key1.GetBitcoinSecret(Network.Main), coin1);
var txsigreq1 = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair((uint)idx1, signedCoinJoin.Inputs[idx1].WitScript) });
signedCoinJoin.Sign(key2.GetBitcoinSecret(Network.Main), coin2);
var txsigreq2 = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair((uint)idx2, signedCoinJoin.Inputs[idx2].WitScript) });
await arena.SignTransactionAsync(txsigreq1);
await arena.SignTransactionAsync(txsigreq2);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.DoesNotContain(round.Id, arena.Rounds.Keys);
Assert.Single(arena.Rounds.Where(x => x.Value.IsBlameRound));
var badOutpoint = alice3.Coins.Select(x => x.Outpoint).First();
Assert.Contains(badOutpoint, arena.Prison.GetInmates().Select(x => x.Utxo));
var blameRound = arena.Rounds.Single(x => x.Value.IsBlameRound).Value;
Assert.True(blameRound.IsBlameRound);
Assert.NotNull(blameRound.BlameOf);
Assert.Equal(round.Id, blameRound.BlameOf?.Id);
var whitelist = blameRound.BlameWhitelist;
Assert.Contains(alice1.Coins.Select(x => x.Outpoint).First(), whitelist);
Assert.Contains(alice2.Coins.Select(x => x.Outpoint).First(), whitelist);
Assert.DoesNotContain(badOutpoint, whitelist);
await arena.StopAsync(CancellationToken.None);
}
}
public async Task EveryoneSignedAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5
};
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg);
// Create the round.
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = Assert.Single(arena.Rounds).Value;
// Register Alices.
using Key key1 = new();
using Key key2 = new();
var irreq1 = WabiSabiFactory.CreateInputsRegistrationRequest(key1, round);
var irres1 = await arena.RegisterInputAsync(
irreq1.RoundId,
irreq1.InputRoundSignaturePairs.ToDictionary(x => new Coin(x.Input, new TxOut(Money.Coins(1), key1.PubKey.GetSegwitAddress(Network.Main))), x => x.RoundSignature),
irreq1.ZeroAmountCredentialRequests,
irreq1.ZeroWeightCredentialRequests);
var irreq2 = WabiSabiFactory.CreateInputsRegistrationRequest(key2, round);
var irres2 = await arena.RegisterInputAsync(
irreq2.RoundId,
irreq2.InputRoundSignaturePairs.ToDictionary(x => new Coin(x.Input, new TxOut(Money.Coins(1), key2.PubKey.GetSegwitAddress(Network.Main))), x => x.RoundSignature),
irreq2.ZeroAmountCredentialRequests,
irreq2.ZeroWeightCredentialRequests);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
var alice1 = round.Alices.Single(x => x.Id == irres1.AliceId);
var alice2 = round.Alices.Single(x => x.Id == irres2.AliceId);
// Confirm connections.
var ccresps = new List <(ConnectionConfirmationResponse resp, WabiSabiClient amountClient, WabiSabiClient weightClient, Guid aliceId)>();
var ccreq1 = WabiSabiFactory.CreateConnectionConfirmationRequest(round, irres1);
var ccresp1 = await arena.ConfirmConnectionAsync(ccreq1.request);
ccresps.Add((ccresp1, ccreq1.amountClient, ccreq1.weightClient, irres2.AliceId));
ccreq1.amountClient.HandleResponse(ccresp1.RealAmountCredentials !, ccreq1.amountValidation);
ccreq1.weightClient.HandleResponse(ccresp1.RealWeightCredentials !, ccreq1.weightValidation);
var ccreq2 = WabiSabiFactory.CreateConnectionConfirmationRequest(round, irres2);
var ccresp2 = await arena.ConfirmConnectionAsync(ccreq2.request);
ccresps.Add((ccresp2, ccreq2.amountClient, ccreq2.weightClient, irres1.AliceId));
ccreq2.amountClient.HandleResponse(ccresp2.RealAmountCredentials !, ccreq2.amountValidation);
ccreq2.weightClient.HandleResponse(ccresp2.RealWeightCredentials !, ccreq2.weightValidation);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.OutputRegistration, round.Phase);
// Register outputs.
foreach (var orreq in WabiSabiFactory.CreateOutputRegistrationRequests(round, ccresps))
{
var orresp = await arena.RegisterOutputAsync(orreq);
}
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var signedCoinJoin = round.Coinjoin.Clone();
var coin1 = alice1.Coins.First();
var coin2 = alice2.Coins.First();
var idx1 = signedCoinJoin.Inputs.IndexOf(signedCoinJoin.Inputs.Single(x => x.PrevOut == coin1.Outpoint));
var idx2 = signedCoinJoin.Inputs.IndexOf(signedCoinJoin.Inputs.Single(x => x.PrevOut == coin2.Outpoint));
signedCoinJoin.Sign(key1.GetBitcoinSecret(Network.Main), coin1);
var txsigreq1 = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair((uint)idx1, signedCoinJoin.Inputs[idx1].WitScript) });
signedCoinJoin.Sign(key2.GetBitcoinSecret(Network.Main), coin2);
var txsigreq2 = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair((uint)idx2, signedCoinJoin.Inputs[idx2].WitScript) });
await arena.SignTransactionAsync(txsigreq1);
await arena.SignTransactionAsync(txsigreq2);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionBroadcasting, round.Phase);
await arena.StopAsync(CancellationToken.None);
}
public async Task AlicesSpentAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5
};
var mockRpc = new MockRpcClient();
mockRpc.OnSendRawTransactionAsync = _ => throw new RPCException(RPCErrorCode.RPC_TRANSACTION_REJECTED, "", null);
mockRpc.OnGetTxOutAsync ??= (_, _, _) => null;
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, mockRpc);
// Create the round.
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = Assert.Single(arena.Rounds).Value;
// Register Alices.
using Key key1 = new();
using Key key2 = new();
var irreq1 = WabiSabiFactory.CreateInputsRegistrationRequest(key1, round);
var irres1 = await arena.RegisterInputAsync(
irreq1.RoundId,
irreq1.InputRoundSignaturePairs.ToDictionary(x => new Coin(x.Input, new TxOut(Money.Coins(1), key1.PubKey.GetSegwitAddress(Network.Main))), x => x.RoundSignature),
irreq1.ZeroAmountCredentialRequests,
irreq1.ZeroWeightCredentialRequests);
var irreq2 = WabiSabiFactory.CreateInputsRegistrationRequest(key2, round);
var irres2 = await arena.RegisterInputAsync(
irreq2.RoundId,
irreq2.InputRoundSignaturePairs.ToDictionary(x => new Coin(x.Input, new TxOut(Money.Coins(1), key2.PubKey.GetSegwitAddress(Network.Main))), x => x.RoundSignature),
irreq2.ZeroAmountCredentialRequests,
irreq2.ZeroWeightCredentialRequests);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
var alice1 = round.Alices.Single(x => x.Id == irres1.AliceId);
var alice2 = round.Alices.Single(x => x.Id == irres2.AliceId);
// Confirm connections.
var ccresps = new List <(ConnectionConfirmationResponse resp, WabiSabiClient amountClient, WabiSabiClient weightClient, Guid aliceId)>();
var ccreq1 = WabiSabiFactory.CreateConnectionConfirmationRequest(round, irres1);
var ccresp1 = await arena.ConfirmConnectionAsync(ccreq1.request);
ccresps.Add((ccresp1, ccreq1.amountClient, ccreq1.weightClient, irres2.AliceId));
ccreq1.amountClient.HandleResponse(ccresp1.RealAmountCredentials !, ccreq1.amountValidation);
ccreq1.weightClient.HandleResponse(ccresp1.RealWeightCredentials !, ccreq1.weightValidation);
var ccreq2 = WabiSabiFactory.CreateConnectionConfirmationRequest(round, irres2);
var ccresp2 = await arena.ConfirmConnectionAsync(ccreq2.request);
ccresps.Add((ccresp2, ccreq2.amountClient, ccreq2.weightClient, irres1.AliceId));
ccreq2.amountClient.HandleResponse(ccresp2.RealAmountCredentials !, ccreq2.amountValidation);
ccreq2.weightClient.HandleResponse(ccresp2.RealWeightCredentials !, ccreq2.weightValidation);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.OutputRegistration, round.Phase);
// Register outputs.
foreach (var orreq in WabiSabiFactory.CreateOutputRegistrationRequests(round, ccresps))
{
var orresp = await arena.RegisterOutputAsync(orreq);
}
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var signedCoinJoin = round.Coinjoin.Clone();
var coin1 = alice1.Coins.First();
var coin2 = alice2.Coins.First();
var idx1 = signedCoinJoin.Inputs.IndexOf(signedCoinJoin.Inputs.Single(x => x.PrevOut == coin1.Outpoint));
var idx2 = signedCoinJoin.Inputs.IndexOf(signedCoinJoin.Inputs.Single(x => x.PrevOut == coin2.Outpoint));
signedCoinJoin.Sign(key1.GetBitcoinSecret(Network.Main), coin1);
var txsigreq1 = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair((uint)idx1, signedCoinJoin.Inputs[idx1].WitScript) });
signedCoinJoin.Sign(key2.GetBitcoinSecret(Network.Main), coin2);
var txsigreq2 = new TransactionSignaturesRequest(round.Id, new[] { new InputWitnessPair((uint)idx2, signedCoinJoin.Inputs[idx2].WitScript) });
await arena.SignTransactionAsync(txsigreq1);
await arena.SignTransactionAsync(txsigreq2);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.DoesNotContain(round.Id, arena.Rounds.Keys);
// There should be no inmate, because we aren't punishing spenders with banning
// as there's no reason to ban already spent UTXOs,
// the cost of spending the UTXO is the punishment instead.
Assert.Empty(arena.Prison.GetInmates());
await arena.StopAsync(CancellationToken.None);
}
public async Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellableToken)
{
await Arena.SignTransactionAsync(request, cancellableToken);
}
public Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellableToken)
{
return(RequestHandler.SignTransactionAsync(request, cancellableToken));
}
public virtual Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellationToken) => SendAndReceiveAsync <TransactionSignaturesRequest>(RemoteAction.SignTransaction, request, cancellationToken);
public override Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellationToken)
{
return(Task.CompletedTask);
}
public Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellationToken) => arena.SignTransactionAsync(request);
public override async Task SignTransactionAsync(TransactionSignaturesRequest request, CancellationToken cancellationToken)
{
return;
}
